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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
const EventEmitter = require("resource://devtools/shared/event-emitter.js");
function WebSocketDebuggerTransport(socket) {
EventEmitter.decorate(this);
this.active = false;
this.hooks = null;
this.socket = socket;
}
WebSocketDebuggerTransport.prototype = {
ready() {
if (this.active) {
return;
}
this.socket.addEventListener("message", this);
this.socket.addEventListener("close", this);
this.active = true;
},
send(object) {
this.emit("send", object);
if (this.socket) {
this.socket.send(JSON.stringify(object));
}
},
startBulkSend() {
throw new Error("Bulk send is not supported by WebSocket transport");
},
close() {
if (!this.socket) {
return;
}
this.emit("close");
this.active = false;
this.socket.removeEventListener("message", this);
this.socket.removeEventListener("close", this);
this.socket.close();
this.socket = null;
if (this.hooks) {
if (this.hooks.onTransportClosed) {
this.hooks.onTransportClosed();
}
this.hooks = null;
}
},
handleEvent(event) {
switch (event.type) {
case "message":
this.onMessage(event);
break;
case "close":
this.close();
break;
}
},
onMessage({ data }) {
if (typeof data !== "string") {
throw new Error(
"Binary messages are not supported by WebSocket transport"
);
}
const object = JSON.parse(data);
this.emit("packet", object);
if (this.hooks) {
this.hooks.onPacket(object);
}
},
};
module.exports = WebSocketDebuggerTransport;
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